Home / 6,143.64-9,214.52-1,983.08

Finding the Fourth Proportional to 6,143.64, 9,214.52 and 1,983.08

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Solution

The fourth proportional to 6,143.64, 9,214.52 and 1,983.08 is: 2,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.64 : 9,214.52 = 1,983.08 : x
  2. Step 2: Convert to fraction form
    6,143.64/9,214.52 = 1,983.08/x
  3. Step 3: Cross multiply
    6,143.64x = 9,214.52 × 1,983.08
  4. Step 4: Simplify right side
    6,143.64x = 18,273,130.32
  5. Step 5: Solve for x
    x = 18,273,130.32/6,143.64
  6. Step 6: Final answer
    x = 2,974.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.